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Cheap flights from Philadelphia to Great Falls from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Great Falls departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:23 am - 12:40 pm
PHL
-
GTF
7h 17m
1 stop
Delta Logo
7:00 am - 4:00 pm
GTF
-
PHL
7h 00m
1 stop
$358Delta
Sun, Jun 7 - Sat, Jun 13
Delta Logo
5:40 am - 12:40 pm
PHL
-
GTF
9h 00m
2 stops
Delta Logo
7:00 am - 4:00 pm
GTF
-
PHL
7h 00m
1 stop
$364Delta
Sun, Jun 7 - Sat, Jun 13
Delta Logo
5:45 am - 12:27 pm
PHL
-
GTF
8h 42m
2 stops
Delta Logo
6:19 pm - 9:23 am
GTF
-
PHL
13h 04m
2 stops
$369Delta
Sat, May 16 - Sat, May 23
Delta Logo
7:00 am - 12:23 pm
PHL
-
GTF
7h 23m
1 stop
Delta Logo
6:20 pm - 5:43 am
GTF
-
PHL
9h 23m
1 stop
$383Delta
Fri, Oct 2 - Mon, Oct 5
Delta Logo
6:25 am - 5:43 pm
PHL
-
GTF
13h 18m
2 stops
Delta Logo
6:20 pm - 5:43 am
GTF
-
PHL
9h 23m
1 stop
$389Delta
Wed, Aug 5 - Wed, Aug 12
Delta Logo
3:38 pm - 10:38 pm
PHL
-
GTF
9h 00m
2 stops
Delta Logo
6:25 pm - 8:41 am
GTF
-
PHL
12h 16m
2 stops
$394Delta
Thu, Jul 23 - Tue, Jul 28
Alaska Airlines Logo
7:00 am - 6:12 pm
PHL
-
GTF
13h 12m
1 stop
Alaska Airlines Logo
5:09 pm - 6:13 am
GTF
-
PHL
11h 04m
1 stop
$408Alaska Airlines
Thu, Jun 4 - Wed, Jun 10
Delta Logo
7:00 am - 12:23 pm
PHL
-
GTF
7h 23m
1 stop
Delta Logo
6:20 pm - 5:43 am
GTF
-
PHL
9h 23m
1 stop
$413Delta
Sun, Sep 13 - Sun, Sep 20
Delta Logo
6:45 am - 5:39 pm
PHL
-
GTF
12h 54m
2 stops
Delta Logo
6:20 pm - 5:43 am
GTF
-
PHL
9h 23m
1 stop
$419Delta
Sat, Sep 12 - Mon, Sep 21
Delta Logo
10:32 am - 10:26 pm
PHL
-
GTF
13h 54m
2 stops
Delta Logo
6:35 pm - 8:44 am
GTF
-
PHL
12h 09m
2 stops
$424Delta
Thu, Jun 4 - Tue, Jun 9

Delta flights from Philadelphia to Great Falls

Our best Delta deals on Philadelphia to Great Falls flight tickets
Delta
Jun 7
PHL7:23 amPhiladelphia
7h 17m
1 stop
GTF12:40 pmGreat Falls
Jun 13
GTF7:00 amGreat Falls
7h 00m
1 stop
PHL4:00 pmPhiladelphia
$358
Delta
Jun 7
PHL5:40 amPhiladelphia
9h 00m
2 stops
GTF12:40 pmGreat Falls
Jun 13
GTF5:40 amGreat Falls
8h 20m
1 stop
PHL4:00 pmPhiladelphia
$364
Delta
May 16
PHL5:45 amPhiladelphia
8h 42m
2 stops
GTF12:27 pmGreat Falls
May 23
GTF6:19 pmGreat Falls
13h 04m
2 stops
PHL9:23 amPhiladelphia
$369

Alaska Airlines flights from Philadelphia to Great Falls

Our best Alaska Airlines deals on Philadelphia to Great Falls flight tickets
Alaska Airlines
Jun 4
PHL7:00 amPhiladelphia
13h 12m
1 stop
GTF6:12 pmGreat Falls
Jun 9
GTF6:52 pmGreat Falls
8h 43m
1 stop
PHL5:35 amPhiladelphia
$408
Alaska Airlines
Apr 29
PHL7:22 amPhiladelphia
12h 13m
1 stop
GTF5:35 pmGreat Falls
May 9
GTF6:15 pmGreat Falls
9h 47m
1 stop
PHL6:02 amPhiladelphia
$498
Alaska Airlines
May 16
PHL7:00 amPhiladelphia
13h 12m
1 stop
GTF6:12 pmGreat Falls
May 23
GTF6:52 pmGreat Falls
8h 43m
1 stop
PHL5:35 amPhiladelphia
$565

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sun 6/7

7:23 am-12:40 pm

1 stop7h 17m

Great Falls

Sat 6/13

7:00 am-4:00 pm

1 stop7h 00m

$358

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sun 6/7

5:40 am-12:40 pm

2 stops9h 00m

Great Falls

Sat 6/13

7:00 am-4:00 pm

1 stop7h 00m

$364

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 5/16

5:45 am-12:27 pm

2 stops8h 42m

Great Falls

Sat 5/23

6:19 pm-9:23 am

2 stops13h 04m

$369

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Fri 10/2

7:00 am-12:23 pm

1 stop7h 23m

Great Falls

Mon 10/5

6:20 pm-5:43 am

1 stop9h 23m

$383

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Wed 8/5

6:25 am-5:43 pm

2 stops13h 18m

Great Falls

Wed 8/12

6:20 pm-5:43 am

1 stop9h 23m

$389

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 7/23

3:38 pm-10:38 pm

2 stops9h 00m

Great Falls

Tue 7/28

6:25 pm-8:41 am

2 stops12h 16m

$394

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 6/4

7:00 am-6:12 pm

1 stop13h 12m

Great Falls

Wed 6/10

5:09 pm-6:13 am

1 stop11h 04m

$408

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sun 9/13

7:00 am-12:23 pm

1 stop7h 23m

Great Falls

Sun 9/20

6:20 pm-5:43 am

1 stop9h 23m

$413

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/12

6:45 am-5:39 pm

2 stops12h 54m

Great Falls

Mon 9/21

6:20 pm-5:43 am

1 stop9h 23m

$419

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 6/4

10:32 am-10:26 pm

2 stops13h 54m

Great Falls

Tue 6/9

6:35 pm-8:44 am

2 stops12h 09m

$424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Philadelphia to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Philadelphia and Great Falls?

What is the cheapest month to fly to Great Falls?

The month of March is another great option to travel to Great Falls, with average flight prices from Philadelphia averaging around $278.

Can stopping save me money on Philadelphia to Great Falls flights?

You could potentially save up to 5% on your flight if you consider stops on a Philadelphia to Great Falls flight.

When to book flights from Philadelphia to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Great Falls (PHL to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Great Falls

Fastest flight time

7h 17m

Direct flights

None
The fastest flight from Philadelphia to Great Falls takes 7h 17m
There are no direct flights from Philadelphia to Great Falls. There are no popular flight routes from Philadelphia to Great Falls.
Search flight deals

Frequently asked questions about flying from Philadelphia to Great Falls

  • How far is Philadelphia to Great Falls by plane?

    A flight from Philadelphia to Great Falls will travel around 1858.6 mi. Typically, this will take 7h 17m by plane in normal conditions.

  • When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?

    Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?

  • How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Great Falls?

Best airlines flying from Philadelphia to Great Falls

Compare and see reviews for airlines that fly from Philadelphia to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $259Free CancellationRating
7.9
8,463 reviews
Search Delta flights
United AirlinesPriceFrom $477Free CancellationRating
7.4
9,665 reviews
Search United Airlines flights

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Philadelphia.

Can I find flights from Philadelphia to Great Falls with flexible booking policies on momondo?

Flights from Philadelphia to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Great Falls?

Once you have performed a search for Philadelphia to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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